sdhci-pxa.yaml

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    1 # SPDX-License-Identifier: GPL-2.0-only
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/mmc/sdhci-pxa.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Marvell PXA SDHCI v2/v3 bindings
    8 
    9 maintainers:
   10   - Ulf Hansson <ulf.hansson@linaro.org>
   11 
   12 allOf:
   13   - $ref: mmc-controller.yaml#
   14   - if:
   15       properties:
   16         compatible:
   17           contains:
   18             const: marvell,armada-380-sdhci
   19     then:
   20       properties:
   21         regs:
   22           minItems: 3
   23         reg-names:
   24           minItems: 3
   25       required:
   26         - reg-names
   27     else:
   28       properties:
   29         regs:
   30           maxItems: 1
   31         reg-names:
   32           maxItems: 1
   33 
   34 properties:
   35   compatible:
   36     enum:
   37       - mrvl,pxav2-mmc
   38       - mrvl,pxav3-mmc
   39       - marvell,armada-380-sdhci
   40 
   41   reg:
   42     minItems: 1
   43     maxItems: 3
   44 
   45   reg-names:
   46     items:
   47       - const: sdhci
   48       - const: mbus
   49       - const: conf-sdio3
   50 
   51   interrupts:
   52     maxItems: 1
   53 
   54   clocks:
   55     minItems: 1
   56     maxItems: 2
   57 
   58   clock-names:
   59     minItems: 1
   60     items:
   61       - const: io
   62       - const: core
   63 
   64   mrvl,clk-delay-cycles:
   65     description: Specify a number of cycles to delay for tuning.
   66     $ref: /schemas/types.yaml#/definitions/uint32
   67 
   68 required:
   69   - compatible
   70   - reg
   71   - interrupts
   72   - clocks
   73   - clock-names
   74 
   75 unevaluatedProperties: false
   76 
   77 examples:
   78   - |
   79     #include <dt-bindings/clock/berlin2.h>
   80     mmc@d4280800 {
   81         compatible = "mrvl,pxav3-mmc";
   82         reg = <0xd4280800 0x800>;
   83         bus-width = <8>;
   84         interrupts = <27>;
   85         clocks = <&chip CLKID_SDIO1XIN>, <&chip CLKID_SDIO1>;
   86         clock-names = "io", "core";
   87         non-removable;
   88         mrvl,clk-delay-cycles = <31>;
   89     };
   90   - |
   91     mmc@d8000 {
   92         compatible = "marvell,armada-380-sdhci";
   93         reg-names = "sdhci", "mbus", "conf-sdio3";
   94         reg = <0xd8000 0x1000>,
   95               <0xdc000 0x100>,
   96               <0x18454 0x4>;
   97         interrupts = <0 25 0x4>;
   98         clocks = <&gateclk 17>;
   99         clock-names = "io";
  100         mrvl,clk-delay-cycles = <0x1F>;
  101     };
  102 
  103 ...

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sys/contrib/device-tree/Bindings/mmc/sdhci-pxa.yaml